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Table of Contents
Related Manuals for Daewoo KOR-61A5
Summary of Contents for Daewoo KOR-61A5
- Page 1 Service Manual Microwave Oven Model: KOR-61A5 DAEWOO ELECTRONICS CO., LTD.
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Page 2: Table Of Contents
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Page 3: Proper Use And Service Precautions
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Page 4: Specifications
SPECIFICATIONS SPECIFICATION ITEM KOR-61A5 POWER SUPPLY 230V 50Hz, SINGLE PHASE WITH EARTHING POWER CONSUMPTION 1200W MICRO WAVE OUTPUT POWER 800W FREQUENCY 2450 MHz OUTSIDE DIMENSIONS (WXHXD) 465 X 274 X 374 mm CAVITY DIMENSIONS(WXHXD) 290 X 200 X 290 mm NET WEIGHT 13.5Kg... -
Page 5: Feature Diagram
FEATURES DIAGRAM ¤ Door Hook - When the door is closed, it will automatically shut. If the door is opened while the oven is operating, the magnetron will immediately stop operating. ¤Ł Door Seal - Door seal maintains the microwave energy within the oven cavity and prevents micro leakage. -
Page 6: Installation
INSTALLATION 1. Steady, flat location This microwave oven should be set on a steady, flat surface. 2. Leave space behind and side All air vents should be kept a clearance. If all vents are covered during operation, the oven may overheat and, eventually, cause oven failure. -
Page 7: Operation
OPERATION Connect the main lead to an electrical outlet. After placing the food in a suitable container, open the oven door and put it on the glass tray. The glass tray must always be in place during cooking. CLOSE THE DOOR securely. @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @... -
Page 8: Measurement Of The Microwave Output Power
4. Microwave power is switched on. Water Load 5. Heating time should be exactly 52 sec.(KOR-61A5) or 47 sec.(KOR-81A5). Heating time is measured while the microwave generator is operating at full power. -
Page 9: Wiring Diagram
WIRING DIAGRAM... - Page 10 WIRING DIAGRAM(SLOW ACTING RELAY)
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Page 11: Circuit Description
CIRCUIT DESCRIPTION 1. When the food is placed in the oven cavity and door is closed. • The contact of the interlock monitor switch open (NO). • The contacts of the primary interlock switch and secondary interlock switch close. Primary Timer Interlock 12A Fuse... - Page 12 HIGH VOLTAGE TRANSFORMER H.V. FUSE H.V. CAPACITOR 2S TYPE KOR-65A52S KOR-81A52S MAGNETRON H.V. DIODE Fig.2 3. When the door is opened during cooking. • Primary interlock switch and secondary interlock switch open to cut off the primary voltage to the high voltage transformer to stop microwave oscillation.
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Page 13: Precautions For Disassembly And Repair
PRECAUTIONS FOR DISASSEMBLY AND REPAIR – Cautions to be observed when trouble shooting. Unlike many other appliances, the microwave oven is a high-voltage, high-current equipment. It is completely safety during normal operation. However, carelessness in servicing the oven can result in an electric shock or possible danger from a short circuit. -
Page 14: Disassembly And Assembly
DISASSEMBLY AND ASSEMBLY 1. To remove cabinet. Remove three screws on cabinet back. 2. To remove door assembly. 1) Remove two screws ¤ which secure the stopper hinge top. 2) Remove the stopper hinge top ¤Ł and door assembly ¤Ø from top plate of cavity. 3) Remove the stopper hinge top ¤Łfrom door assembly. - Page 15 (1) Remove the gasket door(A06) from door painting ass’y (A04) (2) Remove the barrier screen inner(A05) from door painting ass’y(A04). (3) Remove the hook spring(A08) and the hook(A07). (4) Remove the hinge stopper top ass’y(A03). (5) Remove the door frame(A01) from door painting ass’y(A04). (6) Remove the barrier screen outer(A02).
- Page 16 5. To remove control panel parts. (1) Remove the screw which secure the control panel push up two snap fits and draw forward the control panel assembly. (2) Remove the screw (B05) which secure the VPC coupler(B04). (3) Pull out the VPC coupler(B04), VPC knob(B01) and the flat spring (B03) from the control panel(B02). (4) Remove two screws(B08) which secure the timer ass’y(B07).
- Page 17 6. To remove high voltage capacitor. (1) Remove a screw ¤ which secure the grounding ring terminal of the H.V. diode ¤Ł and the capacitor holder ¤Ø . (2) Remove the H.V. diode ¤Ł from the capacitor holder ¤Ø . (3) Reverse the above steps for reassembly.
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Page 19: Interlock Mechanism
INTERLOCK MECHANISM The door lock mechanism is a device which ahs been specially designed to completely eliminate microwave radiation when the door is opened during operation, and thus to perfectly prevent the danger resulting from the leakage of microwave. (1) Primary interlock switch When the door is closed, the hook locks the oven door. - Page 20 (2) Secondary interlock switchand interlock monitor switch When the door is closed, the hook pushes the push lever down ward, the push lever pressed the button of the monitor interlock switch to bring it under “off”, condition and presses the button of the secondary interlock switch to biring it under “on”, condition.
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Page 21: Trouble Shooting Guide
TROUBLE SHOOTING GUIDE Trouble Door shut, timer set but no cooking takes place. Does the fan motor work when you shut the door and turn the timer? Does 12A fuse blow? Replace continuity Check continuity of continuity primary interlock switch, interlock monitor switch secondary interlock switch with door shuted. - Page 22 Does the fan motor when you shut the door and turn the timer? Replace or repair Does the oven lamp light? oven lamp, Does the turntable turn? turntable motor. Replace Check continuity NO microwave continuity magnetron of filament of oscillation. magnetron *Do not operate when you check this continuity.
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Page 23: Component Test Procedure
Reverse the meter leads and again observe the Secondary winding ..Approx. 100Ω ¡ 10%(KOR-81A5) resistance reading. meter with 6V, 9V or higher ........Approx. 110Ω ¡ 10%(KOR-61A5) voltage batteries should be used to check the front- Filament winding ........Approx. 0Ω back resistance of the diode, otherwise an infinite Primary winding ........Approx. -
Page 24: Safety Interlock Continuity Test
SAFETY INTERLOCK CONTINUITY TEST • Disconnect the oven from the power supply. • You can test continuity of safety interlocks and monitor switch by using switch tester or ohmmeter. • The switch operation is checked by the lamp on/off of resistance zero/unlimited. •... -
Page 25: Exploded And Parts List
EXPLODED AND PARTS LIST 1. Door Assembly DOOR AS : 3511707990 REF NO. PART NAME PART CODE DESCRIPTION Q’TY REMARKS 3512202050 KOR-61A5 FRAME DOOR ABS H-2938 XR-401 3517003070 KOR-61A5 BARRIER-SCREEN *O PETP T0.188 STOPPER HINGE *T AS 3515201500 KOR-61150S 3511706100... - Page 26 C-PANEL AS : 3516718500 REF NO. PART NAME PART CODE DESCRIPTION Q’TY REMARKS KNOB VPC 3513402680 ABS H-2938 XR-401 3516709860 KOR-61A5 CONTROL-PANEL ABS H-2938 XR-401 SPRING FLAT 3515101600 SUS 301 T0.5 COUPLER VPC KNOB 3517400500 SCREW TAPPING 7122401211 T2S TRS 4X12 PW MFZN...
- Page 27 3. Main Unit KOR-61A5...
- Page 28 3516718500 KOR-61A50S KOR-61A5 3511707990 KOR-61A50S KOR-61A5 KOR-61A5 KOR-61A5 KOR-61A5 TAPPING 7112401011 3516003700 TAPPING 7122401211 TAPPING 7112401011 3516002700 TAPPING 7112401011 TAPTITE 7272400811 KOR-61A5 KOR-61A5 3516003700 TAPPING 7112401011 KOR-61A5 TAPTITE 7272400811 TAPPING 7122401211 7121400611 LOCK AS 3513806800 KOR-81150S...